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Other Income and Expenses, Net
12 Months Ended
Dec. 31, 2017
Other Income and Expenses [Abstract]  
Other Income and Expenses, Net
OTHER INCOME AND EXPENSES, NET
The components of Other income and expenses, net on the Consolidated Statements of Operations are as follows. Amounts for Piedmont were not material.
 
Year Ended December 31, 2017
 
 
 
Duke

 
 
 
Duke

 
Duke

 
Duke

 
Duke

 
Duke

 
Energy

 
Progress

 
Energy

 
Energy

 
Energy

 
Energy

(in millions)
Energy

 
Carolinas

 
Energy

 
Progress

 
Florida

 
Ohio

 
Indiana

Interest income
$
13

 
$
2

 
$
6

 
$
2

 
$
5

 
$
6

 
$
8

AFUDC equity
237

 
106

 
92

 
47

 
45

 
11

 
28

Post in-service equity returns
40

 
28

 
12

 
12

 

 

 

Nonoperating income, other
62

 
3

 
18

 
4

 
11

 

 
1

Other income and expense, net
$
352

 
$
139

 
$
128

 
$
65

 
$
61

 
$
17

 
$
37

 
Year Ended December 31, 2016
 
 
 
Duke

 
 
 
Duke

 
Duke

 
Duke

 
Duke

 
Duke

 
Energy

 
Progress

 
Energy

 
Energy

 
Energy

 
Energy

(in millions)
Energy

 
Carolinas

 
Energy

 
Progress

 
Florida

 
Ohio

 
Indiana

Interest income
$
21

 
$
4

 
$
4

 
$
3

 
$
2

 
$
5

 
$
6

AFUDC equity
200

 
102

 
76

 
50

 
26

 
6

 
16

Post in-service equity returns
67

 
55

 
12

 
12

 

 

 

Nonoperating income (expense), other
36

 
1

 
22

 
6

 
16

 
(2
)
 

Other income and expense, net
$
324

 
$
162

 
$
114

 
$
71

 
$
44

 
$
9

 
$
22

 
Year Ended December 31, 2015
 
 
 
Duke

 
 
 
Duke

 
Duke

 
Duke

 
Duke

 
Duke

 
Energy

 
Progress

 
Energy

 
Energy

 
Energy

 
Energy

(in millions)
Energy

 
Carolinas

 
Energy

 
Progress

 
Florida

 
Ohio

 
Indiana

Interest income
$
20

 
$
2

 
$
4

 
$
2

 
$
2

 
$
4

 
$
6

AFUDC equity
164

 
96

 
54

 
47

 
7

 
3

 
11

Post in-service equity returns
73

 
60

 
13

 
13

 

 

 

Nonoperating income (expense), other
33

 
2

 
26

 
9

 
15

 
(1
)
 
(6
)
Other income and expense, net
$
290

 
$
160

 
$
97

 
$
71

 
$
24

 
$
6

 
$
11